Toilet stool



FIG. 1 is a Perspective view of a toilet stool showing my new design;

FIG. 2 is a Front view thereof;

FIG. 3 is a Back view thereof;

FIG. 4 is a Right-side view thereof;

FIG. 5 is a Left-side view thereof;

FIG. 6 is a Top view thereof; and,

FIG. 7 is a Bottom view thereof.

The unevenly broken lines (footrest) and the even broken lines in the drawings depict portions of the toilet stool that form no part of the claimed design. 

CLAIM I claim the ornamental design for a toilet stool, as shown and described. 